4210-01-317-2859 (3105801-803878)
4210-01-317-2859 is equivalent to manufacture part number 3105801-803878. It is a fire protection sprinkler head and is classified under Federal Supply Class 4210 (4210 - Fire Fighting Equipment), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 4210 - Fire Fighting Equipment and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.